The cache is not at the posted coordinates.
This cache was one of 40 FTF Raffle Prizes given out at KCSearcher's wonderful
FTF on Feb 29? YES!!! Come Tell Your Stories event on February 29th. Copies of the puzzle were distributed at the event. Accordingly for fairness, there will be three recognized FTFs for this cache:
1) Pre-Pub FTF (for the raffle winner)
2) Post-Pub FTF for anyone who saw the puzzle prior to publication.
3) Post-Pub FTF for anyone who saw the puzzle first on its publication date.
Note that the puzzle was specifically designed for the event that started at about 6PM on Leap Day, 2020.
ACROSS
A "My goodness!" (4)
B Dozes off (4)
C ???? (8)
D Summer footwear (6)
E Japanese soup choice (4)
F Some black sheep (4)
G Kelly or Roddenberry (4)
H Ticket (4)
I ???? (6)
J NBC Newsmagazine (8)
K Suffix with concession (4)
L Small, sandy islands (4)
LEAP TOUR
1-5 Rolling Stones hit
6-11 Oscar winning role for Hoffman
12-18 Certain discriminators
19-22 Palindromic lady's name
23-26 Homophone of H-Across
27-30 Brought action against
31-36 Amazed an audience
37-42 Vandalize, e.g.
43-48 Competed in the Winter Olympics, perhaps
49-53 Prosperous in Paris
54-59 Essential amino acid
60-64 Incorrect
65-69 Rolling Stones hit
70-75 Oscar winning role for Hoffman
etc.
Note: The Leap Tour may begin anywhere on the grid. Each square will be used.
As an added check, there are four squares in the grid not involved in any of the across clues.
In tour order, those four letters spell an action that something does on a tour.
Solving the puzzle will reveal a keyword phrase that you can enter -- without spaces -- into Certitude for the location of the final hide.
You can validate your puzzle solution with certitude.